diff options
| -rw-r--r-- | arch/x86/kernel/reboot_fixups_32.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c index 03e1cce58f49..139eb03490f5 100644 --- a/arch/x86/kernel/reboot_fixups_32.c +++ b/arch/x86/kernel/reboot_fixups_32.c @@ -11,6 +11,7 @@ #include <asm/delay.h> #include <linux/pci.h> +#include <linux/interrupt.h> #include <asm/reboot_fixups.h> #include <asm/msr.h> @@ -56,6 +57,11 @@ void mach_reboot_fixups(void) struct pci_dev *dev; int i; + /* we can be called from sysrq-B code. In such a case it is + * prohibited to dig PCI */ + if (in_interrupt()) + return; + for (i=0; i < ARRAY_SIZE(fixups_table); i++) { cur = &(fixups_table[i]); dev = pci_get_device(cur->vendor, cur->device, NULL); |